package com.xsh.gls.interceptor;

import com.xsh.gls.utils.RedisUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
    public class MyHandlerInterceptor implements HandlerInterceptor{
    @Autowired
    RedisUtils redisUtils;
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response,Object handler)throws Exception{
            System.out.println("拦截器");
        response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
        response.setHeader("Access-Control-Max-Age", "3600");
        response.setHeader("Access-Control-Allow-Headers", "x-requested-with");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        String token=request.getParameter("token");
        String sign=request.getParameter("sign");
        if(sign==null) {
            if (token == null || token.equals("")) {
                return false;
            }
            Object user = redisUtils.get(token);
            request.setAttribute("user", user);
        }
            return true;

    }


}
